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Share Based Compensation (Narrative) (Details) - Class A common stock [Member] - USD ($)	3 Months Ended		12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Jan. 28, 2023
Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 9,329,000		$ 10,543,000
Remaining Weighted-Average Vesting Period	1 year 10 months 24 days		2 years 1 month 6 days
Compensation Expense	$ 932,000	$ 603,000
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares Sold	22,194	9,468
Compensation Expense	$ 29,000	$ 21,000
Employee Stock Purchase Plan Share Purchase Discount	$ 1.32	$ 2.21
Employee Stock Purchase Plan Share Purchase Discount Rate	15.00%

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
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-Publisher FASB
-Name Accounting Standards Codification
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